CA2296205C - Switching power supply unit - Google Patents

Switching power supply unit Download PDF

Info

Publication number
CA2296205C
CA2296205C CA002296205A CA2296205A CA2296205C CA 2296205 C CA2296205 C CA 2296205C CA 002296205 A CA002296205 A CA 002296205A CA 2296205 A CA2296205 A CA 2296205A CA 2296205 C CA2296205 C CA 2296205C
Authority
CA
Canada
Prior art keywords
power supply
supply unit
voltage
time
switching element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002296205A
Other languages
English (en)
French (fr)
Other versions
CA2296205A1 (en
Inventor
Akio Nishida
Ryota Tani
Koji Nakahira
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of CA2296205A1 publication Critical patent/CA2296205A1/en
Application granted granted Critical
Publication of CA2296205C publication Critical patent/CA2296205C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/338—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement
    • H02M3/3385—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement with automatic control of output voltage or current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
CA002296205A 1999-01-18 2000-01-17 Switching power supply unit Expired - Fee Related CA2296205C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP946899 1999-01-18
JP11-9468 1999-01-18
JP11-253550 1999-09-07
JP25355099A JP3351400B2 (ja) 1999-01-18 1999-09-07 スイッチング電源装置

Publications (2)

Publication Number Publication Date
CA2296205A1 CA2296205A1 (en) 2000-07-18
CA2296205C true CA2296205C (en) 2003-07-22

Family

ID=26344209

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002296205A Expired - Fee Related CA2296205C (en) 1999-01-18 2000-01-17 Switching power supply unit

Country Status (6)

Country Link
US (1) US6295211B1 (de)
EP (1) EP1020980B1 (de)
JP (1) JP3351400B2 (de)
CN (1) CN1174541C (de)
CA (1) CA2296205C (de)
DE (1) DE60003856D1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3475904B2 (ja) 2000-04-17 2003-12-10 株式会社村田製作所 スイッチング電源装置
JP3465673B2 (ja) * 2000-09-06 2003-11-10 株式会社村田製作所 スイッチング電源装置
JP3470693B2 (ja) 2000-10-25 2003-11-25 株式会社村田製作所 自励発振型スイッチング電源装置
TW583819B (en) * 2000-12-19 2004-04-11 Delta Electronics Inc Apparatus and method of detecting circuit abnormality and protection for power converter
JP3760379B2 (ja) * 2000-12-28 2006-03-29 株式会社村田製作所 スイッチング電源装置
JP3675389B2 (ja) * 2001-03-26 2005-07-27 株式会社村田製作所 スイッチング電源装置およびそれを用いた電子装置
JP3548889B2 (ja) 2001-06-07 2004-07-28 株式会社村田製作所 スイッチング電源装置およびそれを用いた電子装置
JP3712064B2 (ja) * 2002-05-08 2005-11-02 セイコーエプソン株式会社 出力過電流保護回路、及び該出力過電流保護回路を備えた定電圧スイッチング電源回路
JP3753112B2 (ja) 2002-08-20 2006-03-08 株式会社村田製作所 スイッチング電源装置およびそれを用いた電子装置
US6661679B1 (en) 2002-10-28 2003-12-09 System General Corporation PWM controller having adaptive off-time modulation for power saving
JP3733440B2 (ja) * 2003-03-25 2006-01-11 オリオン電機株式会社 スイッチング電源
DK1499005T3 (da) * 2003-07-15 2005-10-24 Friwo Mobile Power Gmbh Frit svingende blokeringskonverter med ström- og spændingsbegrænsning
KR100693528B1 (ko) * 2004-10-29 2007-03-14 주식회사 팬택 전원 지연 인가 기능을 가지는 무선통신 단말기
US7239119B2 (en) * 2004-11-05 2007-07-03 Power Integrations, Inc. Method and apparatus to provide temporary peak power from a switching regulator
JP4446290B2 (ja) * 2006-03-02 2010-04-07 日立工機株式会社 電動工具及び卓上切断機
JP5042536B2 (ja) * 2006-06-16 2012-10-03 ローム株式会社 電源装置及びこれを備えた電気機器
JP4910190B2 (ja) * 2006-08-10 2012-04-04 大平電子株式会社 自励式スイッチング電源のソフトスイッチング回路
CN100461603C (zh) * 2006-09-05 2009-02-11 广州金升阳科技有限公司 一种隔离式自振荡反激变换器
KR101239978B1 (ko) * 2007-08-17 2013-03-06 삼성전자주식회사 스위칭 모드 전원공급장치 및 그 전원공급방법
CN102057561B (zh) * 2008-07-23 2014-01-01 株式会社村田制作所 绝缘型开关电源装置
CN101453169B (zh) * 2008-12-02 2011-07-06 广州金升阳科技有限公司 一种自激振荡启动输出端控制的反激变换器
JP5683241B2 (ja) * 2010-12-06 2015-03-11 キヤノン株式会社 スイッチング電源装置及び画像形成装置
CN102291000B (zh) * 2011-08-29 2014-09-10 上海新进半导体制造有限公司 开关电源集成电路
CN105008435B (zh) 2013-03-15 2020-03-13 陶氏环球技术有限责任公司 Epdm包装系统和方法
CN103683867B (zh) * 2013-12-06 2016-03-30 深圳市华星光电技术有限公司 反激式开关电源电路及应用该电路的背光源驱动装置
TWI756773B (zh) * 2020-08-05 2022-03-01 僑威科技股份有限公司 用於減少繼電器作動的延遲電路與方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6705849A (de) * 1967-04-26 1967-07-25
JPS5531720B2 (de) * 1972-12-04 1980-08-20
NL8502339A (nl) * 1985-08-26 1987-03-16 Philips Nv Geschakelde voedingsspanningsschakeling met een vermogensschakelaar.
US4862338A (en) * 1986-09-29 1989-08-29 Shindengen Kogyo Kabushiki Kaisha Ringing choke converter using single switching element
JPH02159975A (ja) * 1988-12-09 1990-06-20 Murata Mfg Co Ltd 自励発振型コンバータ
EP0720277B1 (de) * 1992-09-24 2000-03-15 Kabushiki Kaisha Toshiba Dämpferschaltung, schaltnetzteil sowie dafür benutzter sättigbarer induktor
JP3028044B2 (ja) * 1995-04-17 2000-04-04 松下電器産業株式会社 スイッチング電源装置
JP3171068B2 (ja) * 1995-09-26 2001-05-28 株式会社村田製作所 スイッチング電源
JP3584606B2 (ja) * 1996-04-12 2004-11-04 株式会社ノーリツ Ｒｃｃスイッチング方式電源回路
JP3447471B2 (ja) * 1996-05-28 2003-09-16 新電元工業株式会社 スイッチング電源、及びそのスイッチング電源を用いたサージ電圧吸収方法
JP3492882B2 (ja) * 1997-04-07 2004-02-03 パイオニア株式会社 スイッチング電源装置
JP3381769B2 (ja) * 1997-10-17 2003-03-04 株式会社村田製作所 自励発振型スイッチング電源装置
JP3175663B2 (ja) * 1997-10-17 2001-06-11 株式会社村田製作所 自励発振型スイッチング電源装置
JP3216598B2 (ja) * 1998-02-09 2001-10-09 株式会社村田製作所 スイッチング電源装置

Also Published As

Publication number Publication date
EP1020980A3 (de) 2001-11-14
JP2000278945A (ja) 2000-10-06
CN1261221A (zh) 2000-07-26
US6295211B1 (en) 2001-09-25
CN1174541C (zh) 2004-11-03
CA2296205A1 (en) 2000-07-18
EP1020980A2 (de) 2000-07-19
DE60003856D1 (de) 2003-08-21
EP1020980B1 (de) 2003-07-16
JP3351400B2 (ja) 2002-11-25

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Effective date: 20130117